Fig. E-1
Example of an adapter still connected to the stem after revision (left). After disassembly, severe corrosion was visible on the stem taper and the female adapter taper (right). The distal part of the female adapter taper (middle right) showed thicker oxide layers than the proximal part (bottom right).
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OPYRIGHTÓ
BYT
HEJ
OURNAL OFB
ONE ANDJ
OINTS
URGERY, I
NCORPORATEDW
ITT ET AL.
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ELATIONB
ETWEENT
ITANIUMT
APERC
ORROSION ANDC
OBALT-C
HROMIUMB
EARINGW
EAR INL
ARGE-H
EADM
ETAL-
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OTALH
IP. . . http://dx.doi.org/10.2106/JBJS.M.01199
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Fig. E-2
All thirteen female adapter taper samples with severe corrosion.
C
OPYRIGHTÓ
BYT
HEJ
OURNAL OFB
ONE ANDJ
OINTS
URGERY, I
NCORPORATEDW
ITT ET AL.
T
HER
ELATIONB
ETWEENT
ITANIUMT
APERC
ORROSION ANDC
OBALT-C
HROMIUMB
EARINGW
EAR INL
ARGE-H
EADM
ETAL-
ON-M
ETALT
OTALH
IP. . . http://dx.doi.org/10.2106/JBJS.M.01199
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TABLE E-1 Demographic and Surgical Data
Case
Sex, Age at Revision(yr)
Duration in
Vivo(mo) Side Approach*
Body Mass Index(kg/m2)
Reason for
Revision† Procedure‡
1 F, 62 64 R 1 26 1 1
2 M, 69 57 L 1 28 2 2
3 F, 66 34 R 2 29 2 2
4 F, 64 46 R 1 27 1 3
5 M, 44 18 L 2 24 5 1
6 F, 70 37 L 1 19 2 3
7 F, 68 60 L 2 24 2 1
8 M, 63 38 R 2 29 2 3
9 F, 68 22 L 2 40 1 1
10 M, 50 31 R 2 28 1 3
11 F, 58 26 L 2 26 2 3
12 F, 65 25 R 2 29 2 3
13 F, 56 11 R 2 36 1 2
14 F, 52 40 R 2 31 2 3
15 M, 62 50 L 2 29 2 5
16 F, 59 62 R 2 25 2 2
17 F, 75 59 R 2 24 5 4
18 F, 70 15 L 2 29 2 2
19 F, 56 35 L 1 24 2 1
20 M, 65 56 L 1 30 1 3
21 F, 69 52 R 2 28 3 2
22 F, 67 53 L 2 32 5 1
23 F, 43 63 R 2 26 5 2
24 F, 58 35 L 2 40 2 3
25 F, 70 74 L 1 31 1 5
26 M, 66 29 L 1 22 2 1
27 M, 54 34 R 2 24 5 3
28 F, 62 17 R 1 31 1 1
29 F, 56 77 R 2 28 2 2
30 M, 65 58 R 2 30 2 1
31 F, 58 37 R 1 26 1 1
32 F, 64 47 R 1 24 1 3
33 M, 56 20 L 1 27 2 1
34 M, 46 26 L 2 27 4 3
35 M, 68 78 R 2 26 2 1
36 F, 63 34 R 1 23 2 1
37 F, 55 56 R 2 22 2 2
38 F, 67 44 R 2 43 1 1
39 F, 64 49 R 2 24 2 2
40 F, 60 38 R 2 28 1 2
41 M, 69 75 R 2 29 2 1
42 F, 64 59 R 2 31 2 2
43 F, 57 21 R 2 35 3 1
*1 indicates a lateral approach and 2, posterolateral approach.†1 indicates pain; 2, tumor; 3, other tissue reaction; 4, metallosis; and 5, loosening of stem or cup.
‡1 indicates metal-on-metal unilateral hip arthroplasty; 2, metal-on-metal bilateral hip arthroplasty; 3, metal-on-metal and conventional total hip arthroplasty; 4, metal-on-metal bilateral hip arthroplasty and bilateral total knee arthroplasty; and 5, metal-on-metal and conventional total hip arthroplasty and unilateral total knee arthroplasty.
